520531523202 has 64 divisors (see below), whose sum is σ = 1126290816000. Its totient is φ = 159819583680.

The previous prime is 520531523179. The next prime is 520531523209. The reversal of 520531523202 is 202325135025.

It is a self number, because there is not a number n which added to its sum of digits gives 520531523202.

It is not an unprimeable number, because it can be changed into a prime (520531523209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5856877 + ... + 5945087.

It is an arithmetic number, because the mean of its divisors is an integer number (17598294000).

Almost surely, 2^520531523202 is an apocalyptic number.

520531523202 is an abundant number, since it is smaller than the sum of its proper divisors (605759292798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520531523202 is a wasteful number, since it uses less digits than its factorization.

520531523202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89671.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 520531523202 its reverse (202325135025), we get a palindrome (722856658227).

The spelling of 520531523202 in words is "five hundred twenty billion, five hundred thirty-one million, five hundred twenty-three thousand, two hundred two".